feat: service en controller laag voor getStudent geimplementeerd

backend/src/controllers/students.ts

@@ -0,0 +1,29 @@
+import { Request, Response } from 'express';
+import { getStudentById } from "../services/students";
+
+export async function getStudent(
+    req: Request,
+    res: Response,
+): Promise<void> {
+    try {
+        const username = req.params.id;
+        const student = await getStudentById(username);
+    
+        if (!student) {
+            res.status(404).json({ error: "Student not found" });
+            return;
+        } else {
+            student.endpoints = {
+                classes: `/student/${req.params.id}/classes`,
+                questions: `/student/${req.params.id}/submissions`,
+                invitations: `/student/${req.params.id}/assignments`,
+                groups: `/student/${req.params.id}/groups`,
+            }
+            res.json(student);
+        }
+        
+    } catch (error) {
+        console.error('Error fetching learning objects:', error);
+        res.status(500).json({ error: 'Internal server error' });
+    }
+}

backend/src/interfaces/students.ts

@@ -0,0 +1,12 @@
+export interface StudentDTO {
+    id: string;
+    username: string;
+    firstName: string;
+    lastName: string;
+    endpoints?: {
+        classes: string;
+        questions: string;
+        invitations: string;
+        groups: string;
+    };
+}

backend/src/routes/student.ts

@@ -1,4 +1,6 @@
 import express from 'express'
+import { getStudentById } from '../services/students';
+import { getStudent } from '../controllers/students';
 const router = express.Router();
 
 // root endpoint used to search objects
@@ -12,20 +14,7 @@ router.get('/', (req, res) => {
 });
 
 // information about a student's profile
-router.get('/:id', (req, res) => {
+router.get('/:id', getStudent);
-    res.json({
-        id: req.params.id,
-        firstName: 'Jimmy',
-        lastName: 'Faster',
-        username: 'JimmyFaster2',
-        endpoints: {
-            classes: `/student/${req.params.id}/classes`,
-            questions: `/student/${req.params.id}/submissions`,
-            invitations: `/student/${req.params.id}/assignments`,
-            groups: `/student/${req.params.id}/groups`,
-        },
-    });
-});
 
 // the list of classes a student is in
 router.get('/:id/classes', (req, res) => {
@@ -56,4 +45,11 @@ router.get('/:id/groups', (req, res) => {
     });
 })
 
+// a list of questions a user has created
+router.get('/:id/questions', (req, res) => {
+    res.json({
+        questions: [ '0' ],
+    });
+})
+
 export default router

backend/src/services/students.ts

@@ -0,0 +1,18 @@
+import { getStudentRepository } from "../data/repositories";
+import { StudentDTO } from "../interfaces/students";
+
+export async function getStudentById(username: string): Promise<StudentDTO | null> {
+    const studentRepository = getStudentRepository();
+    const student = await studentRepository.findByUsername(username);
+
+    if (!student) return null;
+    else {
+        return {
+            id: student.username,
+            username: student.username,
+            firstName: student.firstName,
+            lastName: student.lastName,
+        }
+    }
+}
+